RT Article T1 Does prison crowding predict higher rates of substance use related parole violations? A recurrent events multi-level survival analysis JF PLOS ONE VO 10 IS 10 A1 Ruderman, Michael A. A2 Reid, Savanna A2 Wilson, Deirdra F. LA English YR 2015 UL https://krimdok.uni-tuebingen.de/Record/1912519070 DO 10.1371/journal.pone.0141328